39956464 has 20 divisors (see below), whose sum is σ = 78686680. Its totient is φ = 19650240.

The previous prime is 39956459. The next prime is 39956507. The reversal of 39956464 is 46465993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19494 + ... + 21445.

It is an arithmetic number, because the mean of its divisors is an integer number (3934334).

Almost surely, 2^39956464 is an apocalyptic number.

It is an amenable number.

39956464 is a deficient number, since it is larger than the sum of its proper divisors (38730216).

39956464 is a wasteful number, since it uses less digits than its factorization.

39956464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41008 (or 41002 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 39956464 is about 6321.1125603014. The cubic root of 39956464 is about 341.8710684387.

The spelling of 39956464 in words is "thirty-nine million, nine hundred fifty-six thousand, four hundred sixty-four".